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71046542 = 275074753
BaseRepresentation
bin1000011110000…
…01010110001110
311221200112112102
410033001112032
5121141442132
611014435102
71521612530
oct417012616
9157615472
1071046542
1137116356
121b962a92
1311946c98
149615850
156385c62
hex43c158e

71046542 has 8 divisors (see below), whose sum is σ = 121794096. Its totient is φ = 30448512.

The previous prime is 71046541. The next prime is 71046551. The reversal of 71046542 is 24564017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×710465422 = 10095222260315528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71046541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2537363 + ... + 2537390.

It is an arithmetic number, because the mean of its divisors is an integer number (15224262).

Almost surely, 271046542 is an apocalyptic number.

71046542 is a deficient number, since it is larger than the sum of its proper divisors (50747554).

71046542 is a wasteful number, since it uses less digits than its factorization.

71046542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074762.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 71046542 is about 8428.9110803235. The cubic root of 71046542 is about 414.1722349629.

The spelling of 71046542 in words is "seventy-one million, forty-six thousand, five hundred forty-two".

Divisors: 1 2 7 14 5074753 10149506 35523271 71046542